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Ecom Marketing Agency Built to Improve ROAS and LTV

We scale profitable acquisition and retention with channel-native creative, CRO, and lifecycle flows tied to payback.

Unlimited creative production included
No commission on ad spend
Real-time performance dashboard
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Why ecom growth plateaus

Ecom brands usually plateau for two reasons: acquisition costs rise and creative stops working. When that happens, teams either push more budget into the same ads or discount harder, which often hurts margin. The way out is a system that increases creative throughput, improves conversion rate, and lifts retention so CAC becomes affordable again. An ecom marketing agency should manage that system end to end and keep it improving weekly.
  • Lower blended CAC over time
  • Higher conversion and AOV
  • Improved retention and LTV

What an ecom marketing agency does

An ecom marketing agency helps online retailers acquire customers profitably and grow lifetime value. That includes demand capture through paid search, Shopping, and paid social, demand creation through creative and content, and conversion rate optimisation across product pages and checkout. It also includes retention: email and SMS flows, segmentation, and post-purchase programmes that increase repeat purchase rate. The best agencies connect channels to measurement, so you know what is driving revenue and what is just spending budget.

Paid growth across Meta and Google

Run structured testing in Meta and TikTok, and capture intent via Google Search and Shopping. We optimise for contribution margin and payback, not just in-platform ROAS.

CRO for PDP and checkout

Improve conversion with better message match, merchandising, and landing page structure. We use A/B tests and behavioural insights to reduce drop-off and raise AOV.

Retention via email and SMS

Build flows for welcome, browse abandon, cart abandon, post-purchase, and win-back. Segmentation and product recommendations increase repeat rate and LTV.

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Full-funnel levers for ecom growth

Ecom growth is rarely one channel. You scale by improving the whole system: creative that earns attention, landing pages that convert, and retention that makes acquisition affordable. We run a weekly test plan across ads, offers, PDPs, and lifecycle messaging, then allocate budget to what is working. We also build durable foundations like technical SEO and clean tracking so you are not guessing in a volatile attribution environment. The result is more stable growth and better unit economics.

Creative volume with testing discipline

Produce and test multiple hooks, angles, and formats each week. Creative is managed as an experiment backlog so you learn fast and reduce fatigue-driven performance drops.

Social commerce and UGC systems

Build creator and UGC pipelines and deploy assets across TikTok, Instagram, and catalog ads. This improves authenticity and gives you more variations to scale profitably.

SEO and content that compounds

Create category, collection, and informational content that captures demand and supports product discovery. Technical fixes, schema, and internal linking improve performance over time.

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Tracking and attribution for ecom

Ecom marketing breaks when tracking is unreliable. We prioritise first-party measurement and decision-ready reporting: clean events, server-side where appropriate, and consistent UTMs so you can trust channel comparisons. We also align reporting to the metrics that matter for ecom: contribution margin, blended CAC, payback, repeat purchase rate, and LTV. When attribution is noisy, we validate with cohort trends and holdout thinking so budget moves are based on reality, not platform bias.

Server-side and first-party signals

Improve conversion signal quality with better event setup and durable data flows. This supports optimisation when cookies are limited and attribution is less reliable.

Cohorts, LTV, and payback reporting

Report beyond last-click ROAS. We track payback and LTV by cohort, channel, and creative so scaling decisions match real unit economics.

Dashboards your team uses weekly

Create a single view of performance across ads, site, and retention. Clear reporting reduces debates and speeds up decisions on what to test and scale next.

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How Growthcurve delivers

Growthcurve gives you a complete ecom growth team in one package: paid media, creative, CRO, and retention, supported by a proprietary suite of AI marketing tools. We integrate as your internal staff and move in weekly sprints. Unlimited ad creative production is included and we charge no commission on ad spend. With a real-time dashboard, you can see what shipped, what performed, and what we are improving next.
  • Unlimited creative included
  • No commission on spend
  • Senior operators, weekly sprints

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Who this is for

An ecom marketing agency is a fit if you want to scale with discipline: strong creative testing, clear measurement, and an emphasis on unit economics. It works best for teams who can ship frequently and iterate based on performance. It is not a fit if you only want media buying without creative, CRO, or retention support. Ecom growth is a system, and the fastest gains come from improving the whole funnel together.
  • Best for scaling profitably
  • Works with test-and-learn
  • Not media buying only
What does an ecom marketing agency typically manage?
An ecom marketing agency usually manages paid acquisition (Meta, TikTok, Google Search and Shopping), creative production, and conversion work on your site. Many also run retention through email and SMS flows and support SEO for longer-term demand capture. The key is integration. If paid, CRO, and retention are separate, you get conflicting priorities. A good agency runs one plan across channels and reports results against payback and contribution margin.
How do you avoid chasing ROAS while losing margin?
We optimise towards business outcomes, not platform optics. That means using contribution margin, blended CAC, and payback as primary decision metrics, and separating new customer acquisition from remarketing performance. We also look at what drives profitability: product mix, AOV, and repeat rate. Sometimes the fix is creative and targeting. Sometimes it is an offer change or a post-purchase flow that lifts LTV and makes prospecting scalable.
Which channels matter most for ecom growth in 2026?
For many brands, Meta and Google remain core because they cover discovery and intent. TikTok and other social commerce surfaces can be strong for certain products, especially where creator content performs well. The right mix depends on your category and unit economics. We validate channel choices through testing and measurement, then scale the channels that deliver efficient new customer growth and sustainable payback, not just cheap clicks.
What should we test first to improve conversion rate?
We start with the biggest drop-offs: product page clarity, trust signals, shipping and returns messaging, and checkout friction. We also test message match between ad and landing page, because mismatched expectations kill conversion. Testing should be structured: one hypothesis, one primary metric, and enough volume to learn. The goal is to raise conversion and AOV without relying on discounts that erode margin.
How do you build a retention engine with email and SMS?
We build core flows first: welcome, browse abandon, cart abandon, post-purchase, replenishment if relevant, and win-back. Then we add segmentation based on behaviour and purchase patterns so messaging stays relevant. Retention is not just sending more campaigns. It is using the right triggers, product recommendations, and timing to increase repeat purchase rate. This lifts LTV and reduces pressure on acquisition CAC.
Do you support Shopify and tracking setup like server-side?
Yes. We work with common ecom stacks and focus on durable measurement foundations: clean events, consistent UTMs, and reliable reporting. Where it makes sense, we can support server-side improvements and better first-party signal capture. The goal is not complexity for its own sake. It is to improve optimisation signals and reduce attribution noise so budget decisions reflect reality across devices and privacy constraints.
How much creative do we need to scale paid social?
More than most teams expect. Paid social performance often declines from creative fatigue before targeting is the real issue. You need a steady pipeline of new angles, hooks, and formats, not occasional refreshes. We run creative as a weekly backlog. We produce multiple variants, launch them quickly, and iterate based on performance. That keeps learning speed high and creates a repeatable way to find winners.
How quickly can we expect results from an ecom agency?
You can usually improve performance quickly through creative testing, landing page fixes, and retention flow work, especially if measurement is solid. SEO and compounding retention improvements take longer, but they reduce reliance on paid over time. We prioritise quick wins that unlock learning speed, then build durable foundations. Expect the first weeks to focus on diagnosis, testing, and establishing a cadence you can scale.
Why choose Growthcurve as your ecom marketing agency?
Growthcurve gives you a complete growth team with proprietary AI tools, unlimited ad creative production, and a real-time performance dashboard. We work in weekly sprints and charge no commission on ad spend, keeping incentives aligned. We integrate as your internal staff and operate month-to-month, so you can scale resources up or down as you grow. If you want ecom growth built on testing and unit economics, we can start with an audit. Book a call

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  1. 1 ABOUT YOU
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I agree to the Privacy Policy

Which of our services do you need?

Type

Size

Funding

We'll email you shortly
Prefer to call now?
USA
+1 (347) 657 3386
UK
+44 203 870 3186